The main functions of the Arapahoe County Treasurer are listed below:
- Act as bond agent
- Administer tax deferral program pursuant to statute
- Collect property taxes on real estate, personal property and centrally assessed property, pursuant to state statute
- Distribute tax revenue to nine school districts, 13 cities and towns, 10 tax increment districts, and 322 special districts, pursuant to state statute
- Invest all available funds
- Produce certificates of taxes due as requested
- Provide original and delinquent tax statements to all property owners
- Provide receipts upon request
- Serve as a board member for the county's retirement plan